#define  _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main()
{
	int a, i, j;
	while (~scanf("%d", &a))
	{
		for (int i = 1; i <= a; i++)
		{
			for (int j = 1; j <= a; j++)
			{
				if (i == j || j == a - i + 1)
					printf("*");
				else
					printf(" ");
			}
			printf("\n");
		}
	}
}